Air quality index [µg/m3]:
excellent ≤ 12
good ≤ 36
lightly polluted ≤ 60
moderately polluted ≤ 84
heavily polluted ≤ 120
severely polluted > 120
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
080047lightly pollutedexcellent71excellent
070047lightly pollutedexcellent91excellent
060051lightly pollutedexcellent101excellent
050052lightly pollutedexcellent101excellent
040051lightly pollutedexcellent101excellent
030050lightly pollutedexcellent101excellent
020048lightly pollutedexcellent101excellent
010050lightly pollutedexcellent101excellent
000047lightly pollutedexcellent91excellent
230045lightly pollutedexcellent91excellent
220046lightly pollutedexcellent91excellent
210048lightly pollutedexcellent81excellent
200048lightly pollutedexcellent81excellent
190042lightly pollutedexcellent81excellent
180036goodexcellent81excellent
170030goodexcellent71excellent
160030goodexcellent81excellent
150025goodexcellent71excellent
140024goodexcellent61excellent
130021goodexcellent41excellent
120017goodexcellent51excellent
110018goodexcellent51excellent
100024goodexcellent51excellent
090026goodexcellent51excellent